Home / 103,277.50-142,500.99-60,820.54

Finding the Fourth Proportional to 103,277.50, 142,500.99 and 60,820.54

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Solution

The fourth proportional to 103,277.50, 142,500.99 and 60,820.54 is: 83,919.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,277.50 : 142,500.99 = 60,820.54 : x
  2. Step 2: Convert to fraction form
    103,277.50/142,500.99 = 60,820.54/x
  3. Step 3: Cross multiply
    103,277.50x = 142,500.99 × 60,820.54
  4. Step 4: Simplify right side
    103,277.50x = 8,666,987,162.33
  5. Step 5: Solve for x
    x = 8,666,987,162.33/103,277.50
  6. Step 6: Final answer
    x = 83,919.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.